Collistar - Sun spray spf 50+

Collistar Sun spray spf 50+

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SPF 50
Can it work? Irritants Ingredient concentrations Sources Similar products User reviews Q&A Where to buy
WORKS FOR
  • Anti-aging
  • Sun protection
  • Evens skin tone
  • Moisturizing
  • +1 more
KEY INGREDIENTS
  • bis-ethylhexyloxyphenol methoxyphenyl triazine
  • butyl methoxydibenzoylmethane
  • c12-15 alkyl benzoate
  • caprylic/capric triglyceride
  • diethylamino hydroxybenzoyl hexyl benzoate
  • ethylhexyl methoxycinnamate
  • ethylhexyl triazone
  • glycerin
  • homosalate
  • octocrylene
  • simmondsia chinensis seed oil
  • tocopherol
  • +9 more
PROMISES
FULFILLED
90 /100
IRRITANCY
MEDIUM
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Formula review

WIMJ summary

This product offers a good level of protection against both UVB and UVA rays.

This sunscreen uses organic (so-called "chemical") sunscreen filters. Organic, or "chemical" filters usually provide reliable sun protection and rarely leave a white cast. Sunscreens with organic filters can sting eyes.

This product can be considered "reef safe" because it does not contain the UV filters (oxybenzone and octinoxate) that can be harmful to coral reefs when present in the water in high concentrations.

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WIMJ summary

This product can help prevent early signs of skin aging because it offers a good level of broad spectrum sun protection. Sun damage is the main cause of premature skin aging, and protecting your skin from the sun is the best anti-aging strategy.

Ingredient Effectiveness Concentration Irritancy
LOW
does not meet threshold
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WIMJ summary

This product offers broad spectrum sun protection. It means that it can prevent hyperpigmentation and help keep the skin tone even (sun damage is the main factor causing age spots, darkening of post-acne marks and other discolorations).

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WIMJ summary

This product contains good ingredients to attract water to the upper layer of the skin. These ingredients are called "humectants": glycerin.

When humectants are on the surface of the skin, they “pull in” the moisture from the outside environment, or from within deeper layers of the skin. If the air is dry, humectants can speed up the moisture loss from the skin. This is why it is a good idea to use another product on top of this one to help "seal in" the moisture (look for ingredients like dimethicone, squalane, oils and butters).

Ingredient Effectiveness Concentration Irritancy
HIGH
meets threshold
MEDIUM
meets threshold
HIGH
does not meet threshold

Potential irritants

IRRITANCY
MEDIUM
Ingredient Irritancy Skin Benefit
alcohol denat.
does not have skin benefit
octocrylene
Has skin benefit
homosalate
Has skin benefit

Ingredients by volume

Ingredient Estimated concentration
Produces temporary toning effect. Can help dissolve other ingredients or preserve products
23% - 35%
A weak sunscreen that protects against the sun rays that cause sunburn (UVB) and is somewhat effective against the UVA rays. It is quite stable and can help stabilize other, more vulnerable, sunscreen ingredients like Avobenzone. It is an organic, or so called "chemical" sunscreen
5% - 7.5%
A weak sunscreen that offers some protection against the sun rays that cause sunburn (UVB), but does not offer meaningful protection against protect against the most aging sun rays (UVA). It loses its effectiveness quickly when exposed to sunlight. It is an organic, or so called "chemical" sunscreen. When used in low concentrations, helps to stabilize the product formulation
4.7% - 7.1%
Octinoxate. When used in higher concentrations, works as a sunscreen protecting the skin from UVB rays. When used in lower concentration, helps to preserve the product formulation. Is shown to be harmful to coral reefs - consider avoiding bathing in coral reef areas when wearing a product with this ingredient. It can be irritating
3.9% - 5.8%
Octisalate. A UV filter. It offers some protection against the sun rays that cause sunburn (UVB), but does not protect against the most aging sun rays (UVA). It loses its effectiveness quickly when exposed to sunlight. It is an organic, or so called "chemical" sunscreen
3.4% - 5.1%
Avobenzone. An organic, or so-called "chemical" UV filter. Protects against both UVA and UVB rays. Needs to be combined with other filters in a formulation to be stable.
2.5% - 3.7%
Uvinul A Plus. A new generation broad spectrum sunscreen that offers an effective protection especially in the UVA range. It is stable in formulations. Unfortunately, is not approved by the FDA (US) yet
1.9% - 2.9%
Uvinul T. A UV filter. Effective against UVB rays. It is photostable. Can increase water resistance properties of the sunscreen. Unfortunately, not approved by the FDA (US) yet
1.8% - 2.7%
Tinosorb S. One of the most effective broad spectrum sunscreen ingredients. Protects from both UVA and UVB rays. It is photostable. Unfortunately, not approved by FDA (US) yet.
1.6% - 2.4%
1% - 1.5%
Enhances the product texture and makes it more spreadable. Helps reduce water loss from the outer layer of skin. Extands the shelf life by preventing bacteria growth
0.9% - 1.35%
One of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant
0.55% - 1.3%
Plain old water
0.5% - 1.15%
A more stable but less bio-available form of vitamin E compared to Tocopherol. Might help moisturize and protect the skin from free radicals, but mostly used in low concentrations to stabilize other ingredients.
0.45% - 1%
Softens the upper layer of skin and helps restore the healthy skin barrier. Has shown to help calm down inflammation in skin. It is a stable oil, meaning that it retains its properties even when exposed to air.
0.45% - 1.1%
0.35% - 0.8%
A good mix of fatty acids that forms a protective layer on the skin. Improves the shelf life of products. Derived from coconut and glycerin
0.4% - 0.9%
A plant extract that has some anti-oxidant and anti-bacterial properties. Can be irritating
0.15% - 0.6%
0.15% - 0.6%
Pure form of vitamin E. Can help moisturise and protect the skin from free radicals. Often used to help stabilise other ingredients or the formula itself
0.15% - 0.55%
Can work as an exfoliant but is typically used to adjust the product pH
0.1% - 0.4%
A preservative
0.1% - 0.45%
A preservative
0.1% - 0.45%

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